• Cover of Gems & Gemology Fall 2011 issue, featuring green gems against tan background

Fall 2011

  • $15.00
The PDF version of this issue is available at no charge. Visit

Ruby and Sapphire from the Tan Huong-Truc Lau Area, Yen Bai Province, Northern Vietnam
Nguyen Ngoc Khoi, Chakkaphan Sutthirat, Duong Anh Tuan, Nguyen Van Nam, Nguyen Thi Minh Thuyet, and Nguy Tuyet Nhung

Infrared Spectroscopy of Natural vs. Synthetic Amethyst: An Update
Stefanos Karampelas, Emmanuel Fritsch, Triantafillia Zorba, and Konstantinos M. Paraskevopoulos

Exploring the Origin and Nature of Luminescent Regions in CVD Synthetic Diamond
Bert Willems, Alexandre Tallaire, and Julien Barjon

Identification of Extraterrestrial Peridot by Trace Elements
Andy H. Shen, John I. Koivula, and James E. Shigley

A History of Diamonds through Philately: The Frank Friedman Collection
Stuart D. Overlin

Every issue also includes the most up-to-date reports from the GIA Laboratory (Lab Notes) and gemologists around the world (Gem News International).

GIA students and alumni save 10% on back issues! Enter coupon code GGALUM at checkout.

Usually ships in 3-5 business days. 


SKU: 4301104